Barefoot Horses

Veterinarians are often asked about leaving horses barefoot. I must say from the onset that I favor horses being maintained without shoes when possible. Whether or not it is feasible for a horse to go without shoes will depend on the owners' situation/ expectations and many variables that influence the feet. Horses can be shod in a physiologic manner such that the structures of the foot might change, but very minimal damage to the hoof will occur. Shoes are used for protection when wear of the hoof exceeds growth, for traction (which is often needed in the performance horse), and for therapeutic reasons. One or a combination of these reasons might dictate the necessity for shoes. Much of the horse industry is involved in the athletic performance of horses and the question arises: "Can this horse compete and perform at its best without shoes?"

As all horses are not created equal, neither are their feet. So when we decide whether a horse can be kept barefoot (and many can't), many variables have to be considered. The breed of the horse, the hoof conformation, the manner in which the horse is kept, the surface on which it is worked, and most important, for what purpose the horse is going to be used. It also makes a big difference if the horse has worn shoes previously and for how long, as well as the previous farrier care the animal received. Many horses can do well without shoes as long as they are not asked to perform.

Horses are much easier to maintain barefoot if they have never worn shoes. The majority of horses' feet remain healthy until they begin training. During this time, a lot of foot changes take place. When training begins at two, the hoof capsule and its related structures are still immature, the animal is confined more, and it now has a rider, which leads to additional weight bearing on the feet. These factors usually lead to excessive wear on the feet, and shoes are placed on the feet for protection. Traditionally, we place shoes on these youngsters too early, and often it is not necessary as long as a few modifications are made in our training program.

Next we look at the application of shoes by the farrier. The horse has receptors in the bottom of its foot, and it is speculated that these receptors function in a stimulatory capacity. So the first thing that happens when shoes are applied is that these receptors lose contact with the ground. How much protection is removed from the bottom of the foot in the form of hoof wall, sole depth, and the bars? How is the shoe fitted and attached to the foot, i.e., where are the nails placed, how many, and what size? As training progresses, the horse generally receives more baths, which increases moisture in the feet over time and makes them softer. So the combination of these factors can and will change the structures of the foot forever.

If you decide to remove the shoes and attempt to use your horse barefoot, we recommend a 30-90 day transition period during which time the horse is taken out of work. This allows the structures of the horse's feet to toughen and adapt to being without shoes. At this point we also change the method of hoof care from trimming the foot to "shaping" the foot. Nothing is removed from the bottom of the foot. Using a rasp, the heels are moved back to the base of the frog (when possible) and the hoof wall is only rasped on an angle so a rounded edge is created. Flares or excess toe are removed from the outer hoof wall (shaping). We finish by slightly beveling the toe to promote sole growth and toughen the sole callus.

Advocates of the barefoot movement claim that applying shoes to the horse is detrimental and therefore all horses need to be barefoot. They further claim that nails placed in a horse's foot are toxic, that the bars in the heels should be removed as they impinge on the circulation, and that all horses should be trimmed in a specified manner.

I am not aware of any scientific publication that states nails are toxic when placed in a horse's foot. If we think of the hoof capsule as a cone, one quickly sees the necessity of preserving the bars as they provide stability and allow the hoof capsule to expand, which in turn allows the normal physiology of the foot to take place. Finally, if we consider the various breeds of horses, individual foot conformation, structures of the foot, phalangeal alignment, etc., it would appear highly unreasonable to trim all horses in the same manner.

About the Author

Stephen E. O'Grady, DVM, MRCVS, was a professional farrier for 10 years prior to obtaining his degree in veterinary medicine. He learned farriery through a formal apprenticeship under Hall of Fame farrier Joseph M. Pierce of West Chester, Penn. After graduating from veterinary school, O'Grady did an internship in Capetown, South Africa. Then he joined Dan Flynn, VMD, at Georgetown Equine Hospital in Charlottesville, Va., as an associate for five years. Since that time, he has operated a private practice in Virginia and South Africa, with a large portion of the practice devoted to equine podiatry. He has published numerous articles and lectured extensively on equine foot problems. His web site is www.equipodiatry.com.

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